The fossil wood were collected from the three localities in Gyeongsangbuk-do, Korea, they are, from Bongnimji of Hapan-ri, Gasan-myeon, Chilgok-gun (KPE P001, P002, P004), from Hakruji of Indong, Gumi city (KPE P102), and from Wi-ri, Imdong-myeon, Andong city (KPE P201, P207, P208, P210). The each s...
The fossil wood were collected from the three localities in Gyeongsangbuk-do, Korea, they are, from Bongnimji of Hapan-ri, Gasan-myeon, Chilgok-gun (KPE P001, P002, P004), from Hakruji of Indong, Gumi city (KPE P102), and from Wi-ri, Imdong-myeon, Andong city (KPE P201, P207, P208, P210). The each specimens were observed at three thin sections of cross, radial and tangential. Several results are that the Bonimji materials are referred to Cyathocaulis sp. of tropic or subtropic tree ferns and the Hakruji one to Xenoxylon latiporosum (Cramer) Gothan, and the Wi-ri ones (KPE P201, P207, P210) to Cupressioxylon sp. and KPE P208 to Araucarioxylon sp. of conifer, because of the same size of tracheid in the cross section and uniseriate or biseriate radial tissues in the tangential section.
The fossil wood were collected from the three localities in Gyeongsangbuk-do, Korea, they are, from Bongnimji of Hapan-ri, Gasan-myeon, Chilgok-gun (KPE P001, P002, P004), from Hakruji of Indong, Gumi city (KPE P102), and from Wi-ri, Imdong-myeon, Andong city (KPE P201, P207, P208, P210). The each specimens were observed at three thin sections of cross, radial and tangential. Several results are that the Bonimji materials are referred to Cyathocaulis sp. of tropic or subtropic tree ferns and the Hakruji one to Xenoxylon latiporosum (Cramer) Gothan, and the Wi-ri ones (KPE P201, P207, P210) to Cupressioxylon sp. and KPE P208 to Araucarioxylon sp. of conifer, because of the same size of tracheid in the cross section and uniseriate or biseriate radial tissues in the tangential section.
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